Science

Monday, 29 December 2025
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Tears
Tears are primarily made of water.
They also consist of fatty oils, salt, and proteins.
Liver
It carries out over 500 vital functions, of which approximately 200 are performed simultaneously.
Mushrooms
Fungal reproduction is complex, reflecting differences in lifestyle and genetic composition.
It is estimated that a third of all fungi reproduce using more than one method of reproduction. Most ...
Titan
The largest crater on Titan’s surface in Menrva.
Its diameter is 392 kilometers, and its depth is 2.8 kilometers. It is located 20.1 degrees north of ...
lava
Pumice is formed from acidic varieties of lava.
It is a volcanic magma rock composed of porous volcanic glaze (more than 50% pores), formed from hig ...
Earth
Due to the Earth's rotation, the diameter of the equator is 43 km larger than the polar diameter.
The Earth is therefore a slightly flattened ball - this shape is called a geoid.
Ganymede
Ganymede orbits Jupiter at a distance of 1.070.400 kilometers. The complete orbit takes 7 days and 3 hours.
NASA
NASA has been sued for trespassing on Mars.
Three men from Yemen sued NASA in 1997 claiming that the agency trespassed on their property. They based their claim on the fact that Mars was given to them by their ancestors over 3,000 years ago.
Anorexia Nervosa
According to the International Classification of Diseases ICD-10, there are several diagnostic criteria for anorexia.
Weight loss, leading to body weight at least 15 percent below normal for a given age and height Avo ...
Cosmos
The Solar System is located at a distance of 28.000 light years from the center of the Milky Way.
It orbits around the galactic center of gravity at a speed of 268 km/s. It takes about 230 million y ...